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fs/udf/udf_sb.h
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#ifndef __LINUX_UDF_SB_H #define __LINUX_UDF_SB_H |
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#include <linux/mutex.h> |
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/* Since UDF 2.01 is ISO 13346 based... */ #define UDF_SUPER_MAGIC 0x15013346 |
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#define UDF_MAX_READ_VERSION 0x0250 |
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#define UDF_MAX_WRITE_VERSION 0x0201 #define UDF_FLAG_USE_EXTENDED_FE 0 #define UDF_VERS_USE_EXTENDED_FE 0x0200 #define UDF_FLAG_USE_STREAMS 1 #define UDF_VERS_USE_STREAMS 0x0200 #define UDF_FLAG_USE_SHORT_AD 2 #define UDF_FLAG_USE_AD_IN_ICB 3 #define UDF_FLAG_USE_FILE_CTIME_EA 4 #define UDF_FLAG_STRICT 5 #define UDF_FLAG_UNDELETE 6 #define UDF_FLAG_UNHIDE 7 #define UDF_FLAG_VARCONV 8 #define UDF_FLAG_NLS_MAP 9 #define UDF_FLAG_UTF8 10 |
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#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ #define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ |
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#define UDF_FLAG_GID_FORGET 13 #define UDF_FLAG_GID_IGNORE 14 |
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#define UDF_FLAG_UID_SET 15 #define UDF_FLAG_GID_SET 16 |
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#define UDF_FLAG_SESSION_SET 17 #define UDF_FLAG_LASTBLOCK_SET 18 |
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#define UDF_FLAG_BLOCKSIZE_SET 19 |
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#define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 #define UDF_PART_FLAG_FREED_BITMAP 0x0004 #define UDF_PART_FLAG_FREED_TABLE 0x0008 #define UDF_PART_FLAG_READ_ONLY 0x0010 #define UDF_PART_FLAG_WRITE_ONCE 0x0020 #define UDF_PART_FLAG_REWRITABLE 0x0040 #define UDF_PART_FLAG_OVERWRITABLE 0x0080 |
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#define UDF_MAX_BLOCK_LOADED 8 #define UDF_TYPE1_MAP15 0x1511U #define UDF_VIRTUAL_MAP15 0x1512U #define UDF_VIRTUAL_MAP20 0x2012U #define UDF_SPARABLE_MAP15 0x1522U |
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#define UDF_METADATA_MAP25 0x2511U |
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#define UDF_INVALID_MODE ((mode_t)-1) |
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#pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ |
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struct udf_meta_data { __u32 s_meta_file_loc; __u32 s_mirror_file_loc; __u32 s_bitmap_file_loc; __u32 s_alloc_unit_size; __u16 s_align_unit_size; __u8 s_dup_md_flag; struct inode *s_metadata_fe; struct inode *s_mirror_fe; struct inode *s_bitmap_fe; }; |
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struct udf_sparing_data { __u16 s_packet_len; struct buffer_head *s_spar_map[4]; }; struct udf_virtual_data { __u32 s_num_entries; __u16 s_start_offset; }; struct udf_bitmap { __u32 s_extLength; __u32 s_extPosition; __u16 s_nr_groups; struct buffer_head **s_block_bitmap; }; struct udf_part_map { union { struct udf_bitmap *s_bitmap; struct inode *s_table; } s_uspace; union { struct udf_bitmap *s_bitmap; struct inode *s_table; } s_fspace; __u32 s_partition_root; __u32 s_partition_len; __u16 s_partition_type; __u16 s_partition_num; union { struct udf_sparing_data s_sparing; struct udf_virtual_data s_virtual; |
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struct udf_meta_data s_metadata; |
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} s_type_specific; __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); __u16 s_volumeseqnum; __u16 s_partition_flags; }; #pragma pack() struct udf_sb_info { struct udf_part_map *s_partmaps; __u8 s_volume_ident[32]; /* Overall info */ __u16 s_partitions; __u16 s_partition; /* Sector headers */ __s32 s_session; |
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__u32 s_anchor; |
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__u32 s_last_block; struct buffer_head *s_lvid_bh; /* Default permissions */ mode_t s_umask; gid_t s_gid; uid_t s_uid; |
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mode_t s_fmode; mode_t s_dmode; |
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/* Root Info */ struct timespec s_record_time; /* Fileset Info */ __u16 s_serial_number; /* highest UDF revision we have recorded to this media */ __u16 s_udfrev; /* Miscellaneous flags */ __u32 s_flags; /* Encoding info */ struct nls_table *s_nls_map; /* VAT inode */ struct inode *s_vat_inode; struct mutex s_alloc_mutex; |
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/* Protected by s_alloc_mutex */ unsigned int s_lvid_dirty; |
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}; |
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static inline struct udf_sb_info *UDF_SB(struct super_block *sb) { return sb->s_fs_info; } |
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struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi); |
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int udf_compute_nr_groups(struct super_block *sb, u32 partition); |
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#define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) ) #define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) ) #define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) ) |
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#endif /* __LINUX_UDF_SB_H */ |